/**
 * Pipeline output formatting.
 */
import type { BrowserActionResult, BrowserArtifact, BrowserDiagnostics } from '../actions/types.js';
export interface PipelineStepTrace {
    index: number;
    scope: string;
    action: string;
    ok: boolean;
    elapsedMs: number;
    text?: string;
    data?: unknown;
    error?: {
        code: string;
        message: string;
    };
}
export interface PipelineOutput {
    ok: boolean;
    name: string;
    last: unknown;
    outputs: unknown[];
    artifacts: BrowserArtifact[];
    diagnostics: BrowserDiagnostics;
    trace: PipelineStepTrace[];
    error?: {
        step: number;
        action: string;
        code: string;
        message: string;
    };
}
export declare function createPipelineOutput(name: string): PipelineOutput;
export declare function addStepTrace(output: PipelineOutput, trace: PipelineStepTrace, result: BrowserActionResult): void;
export declare function formatPipelineResult(output: PipelineOutput): BrowserActionResult;